S-8424AAAFT-TB-X Datasheet, PDF (6/46 Pages) Seiko Instruments Inc – BATTERY BACKUP SWITCHING IC

BATTERY BACKUP SWITCHING IC
S-8424A Series
Rev.3.0_01
 Absolute Maximum Ratings
Parameter
Table 3
Absolute Maximum Ratings
(Unless otherwise specified: Ta = 25°C)
Symbol
Ratings
Unit
Primary power supply input voltage
VIN
VSS−0.3 to VSS+18
V
Backup power supply input voltage
VBAT
Output voltage of voltage regulator
VRO, VOUT
VSS−0.3 to VIN+0.3
CS output voltage
VCS
VSS−0.3 to VSS+18
RESET output voltage
V RESET
PREEND output voltage
Power dissipation
8-Pin TSSOP
8-Pin SON(B)
Operating ambient temperature
Storage temperature
V PREEND
PD
Topr
Tstg
300 (When not mounted on board)
mW
700^*1
300 (When not mounted on board)
750^*1
−40 to +85
°C
−40 to +125
*1. When mounted on board
[Mounted board]
(1) Board size: 114.3 mm × 76.2 mm × t1.6 mm
(2) Board name: JEDEC STANDARD51-7
Caution The absolute maximum ratings are rated values exceeding which the product could suffer
physical damage. These values must therefore not be exceeded under any conditions.
(1) When mounted on board
800
(2) When not mounted on board
400
700
8-Pin SON(B)
600
300
500
8-Pin TSSOP
400
300 _{8-Pin TSSOP}
200
200
100 ^{8-Pin SON(B)}
100
0
0
50
100
150
0
0
50
100
150
Ambient Temperature Ta (°C)
Ambient Temperature Ta (°C)
Figure 4 Power Dissipation of Package
6